1. Diagnostic and Interventional Radiology, University Hospital Heidelberg Im Neuenheimer Feld, Heidelberg, Germany
2. Department of Radiology, Robert Jones and Agnes Hunt, Orthopaedic Hospital, Oswestry, United Kingdom
3. Department of Biomedical Imaging and Image Guided Therapy, Medical University of Vienna, Austria
4. Department of Radiology, General Hospital Sint-Maarten, Duffel-Mechelen, Universities of Antwerp and Ghent, Duffel, Belgium
5. Department of Experimental Medicine -DIMES-, Institute of Anatomy, University of Genova, Genova, Italy
6. Department of Radiology, Leiden University Medical Center, the Netherlands
7. Clínica Girona, Institut Catalan of Health-IDI, University of Girona, Girona, Spain
8. Hospital Beatriz Angelo, Lisbon, Portugal
9. Orthopedic Surgery, Radiology, Landesklinikum Horn, Horn, Austria
10. Department of Radiology, Royal Infirmary, Edinburgh, United Kingdom
11. Leeds Teaching Hospitals Trust, Chapel Allerton Hospital, Leeds, United Kingdom
12. Department of Radiology, Zuwe Hofpoort Hospital, Woerden, the Netherlands